*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:#f7f9fc;color:#23262b;font-family:'Noto Sans JP',sans-serif;font-size:16px;-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button{border:0;background:none}button:focus-visible,a:focus-visible{outline:2px solid #606740;outline-offset:5px}button:disabled{opacity:.3;cursor:default}svg{fill:none;stroke:currentColor;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}button,a{touch-action:manipulation}[hidden]{display:none!important}.shell{width:min(1280px,calc(100% - 112px));margin-inline:auto}.header{height:90px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e5e3dc}.wordmark{display:flex;align-items:center;gap:14px;font-family:Georgia,serif;letter-spacing:.14em;font-size:17px}.wordmark svg{width:29px;height:29px;color:#3a6ea5}.saved-nav{display:flex;align-items:center;gap:10px;min-height:44px;font-size:14px}.saved-count{font-family:Georgia,serif;font-size:14px;color:#6b7178}.saved-nav[aria-pressed=true]{color:#3a6ea5}.heart-icon{display:inline-flex;width:24px;height:24px;background:currentColor;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20.7 4.7a5.5 5.5 0 0 0-7.8 0l-.9.9-.9-.9a5.5 5.5 0 0 0-7.8 7.8L12 21l8.7-8.5a5.5 5.5 0 0 0 0-7.8Z' fill='none' stroke='black' stroke-width='1.2'/%3E%3C/svg%3E") center/contain no-repeat}.is-saved .heart-icon,.save-detail[aria-pressed=true] .heart-icon{mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20.7 4.7a5.5 5.5 0 0 0-7.8 0l-.9.9-.9-.9a5.5 5.5 0 0 0-7.8 7.8L12 21l8.7-8.5a5.5 5.5 0 0 0 0-7.8Z'/%3E%3C/svg%3E") center/contain no-repeat;color:#3a6ea5}.intro{padding:38px 0 30px;display:flex;justify-content:space-between;align-items:flex-end;gap:40px}.eyebrow{font-size:12px;letter-spacing:.19em;font-weight:500;color:#3a6ea5;margin:0 0 19px;text-transform:uppercase}h1{font-family:'Zen Old Mincho',serif;font-weight:400;font-size:48px;line-height:1.5;letter-spacing:.1em;margin:0}h1 span{display:block;white-space:nowrap}.intro-note{font-size:15px;letter-spacing:.03em;margin:24px 0 0;line-height:1.9}.edition-nav{width:236px;flex-shrink:0;margin-bottom:4px}.edition-nav a{display:flex;align-items:center;gap:18px;padding:17px 4px;border-bottom:1px solid #d9d8d0;font-size:14px;white-space:nowrap;color:#797a70}.edition-nav a span{font-family:Georgia,serif;font-size:13px}.edition-nav a svg{width:19px;height:19px;margin-left:auto}.edition-nav a[aria-current=page]{color:#3a6ea5;border-bottom:1px solid #3a6ea5}.edition-nav a[aria-current=page] span{font-style:italic}.edition-nav a:hover{color:#23262b}.collection-toolbar{border-top:1px solid #c9cbc0;display:flex;align-items:center;gap:18px;margin-bottom:26px;min-height:78px}.filters{display:flex;gap:26px;flex:1;overflow-x:auto;scrollbar-width:none}.filters::-webkit-scrollbar{display:none}.filter{position:relative;white-space:nowrap;font-size:14px;min-height:54px;padding:0 0 3px;color:#63635b}.filter[aria-pressed=true]{color:#3a6ea5}.filter[aria-pressed=true]:after{content:'';position:absolute;height:1px;background:#3a6ea5;bottom:6px;left:0;right:0}.filter:hover{color:#24251f}.result-count{font-size:12px;font-weight:400;color:#777a6c;white-space:nowrap;letter-spacing:.06em}.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:38px 32px}.sample{min-width:0;animation:arrive .45s both}.sample-image-button{display:block;width:100%;padding:0;position:relative;overflow:hidden;box-shadow:0 3px 12px #282c2514;background:#eeede8;border:1px solid #dfdfd7;aspect-ratio:341/720;transition:box-shadow .3s,transform .3s}.sample-image-button img{display:block;width:100%;height:100%;object-fit:contain;object-position:top;transition:transform .5s ease}.sample-image-button:hover{box-shadow:0 8px 24px #282c2522;transform:translateY(-3px)}.sample-image-button:hover img{transform:scale(1.016)}.enlarge-hint{position:absolute;bottom:18px;left:50%;transform:translate(-50%,8px);opacity:0;background:#f7f9fcf5;border:1px solid #dbddd4;padding:10px 19px;font-size:13px;white-space:nowrap;transition:.25s}.sample-image-button:hover .enlarge-hint,.sample-image-button:focus-visible .enlarge-hint{opacity:1;transform:translate(-50%,0)}.sample-caption{padding:17px 1px 0}.sample-title{font-weight:400;line-height:1.6;font-size:17px;margin:0;letter-spacing:.02em;display:flex;gap:10px;align-items:baseline}.sample-number{font-family:Georgia,serif;font-size:14px;color:#61778d;letter-spacing:.01em;white-space:nowrap}.caption-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:5px}.sample-category{font-size:12px;color:#717369;line-height:1.6;overflow-wrap:anywhere}.card-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}.text-button{padding:10px 0;min-height:44px;font-size:13px;white-space:nowrap}.text-button:hover{color:#3a6ea5}.save-button{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;transition:background .2s}.save-button:hover{background:#e8eff7}.save-button .heart-icon{width:23px;height:23px}.selection-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:12px 0 30px}.selection-heading .eyebrow{margin-bottom:8px}.selection-heading h2{font-family:'Zen Old Mincho',serif;font-weight:400;font-size:30px;margin:0}.selection-heading p:not(.eyebrow){font-size:13px;line-height:1.8;color:#74766a;margin-bottom:0}.empty{text-align:center;padding:65px 0 90px}.empty-heart{font-size:54px;font-family:Georgia,serif;color:#757b5c}.empty h2{font-family:'Zen Old Mincho',serif;font-size:26px;font-weight:400}.empty p{font-size:14px;line-height:1.9}.solid-button{background:#3a6ea5;color:#fff;padding:13px 30px;font-size:14px;margin-top:14px}.footer{margin-top:86px;padding:32px 0 36px;border-top:1px solid #d8d9cf;text-align:center;color:#707365;font-size:12px;line-height:1.9}.footer p{margin:0 0 18px}.footer div{display:flex;justify-content:center;gap:18px;font-size:12px}.footer a{padding:9px 0}.footer small{display:block;margin-top:22px;font-size:11px;font-family:Georgia,serif;letter-spacing:.07em}.skip{position:fixed;top:-100px;left:20px;background:white;padding:12px;z-index:20}.skip:focus{top:15px}dialog{padding:0;border:1px solid #c6c9ba;width:min(1120px,calc(100% - 64px));max-width:none;height:calc(100dvh - 48px);max-height:none;background:#f7f9fc;color:#23262b;box-shadow:0 30px 100px #0003}dialog[open]{display:flex;flex-direction:column}dialog::backdrop{background:#25291fe0;backdrop-filter:blur(5px)}.preview-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 28px;border-bottom:1px solid #dddfd3;flex-shrink:0}.preview-bar .eyebrow{font-size:11px;letter-spacing:.1em;margin-bottom:6px}.preview-bar h2{font-size:21px;font-family:'Zen Old Mincho',serif;font-weight:500;line-height:1.5;margin:0}.preview-actions{display:flex;align-items:center;gap:20px}.save-detail{display:flex;align-items:center;justify-content:center;gap:10px;font-size:13px;border:1px solid #b4c6dc;min-height:44px;padding:7px 16px}.save-detail[aria-pressed=true]{background:#e5edf7}.icon-button{width:44px;height:44px;display:grid;place-items:center}.icon-button svg{width:25px;height:25px}.preview-scroll{overflow:auto;overscroll-behavior:contain;flex:1;min-height:0;padding:22px 34px 30px;background:#f0f3f7;text-align:center}.preview-name{font-size:13px;color:#696f57;margin:0 0 20px}.preview-scroll img{width:min(100%,720px);height:auto;display:block;margin:0 auto;box-shadow:0 4px 18px #0002;background:white}.preview-hint{font-size:12px;color:#767969;line-height:1.8;margin:24px 0 0}.preview-bottom{display:flex;justify-content:space-between;align-items:center;padding:6px 28px;border-top:1px solid #dddfd3;flex-shrink:0}.preview-bottom span{font-family:Georgia,serif;font-size:13px;color:#7d806c}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#294d73;color:white;box-shadow:0 5px 20px #0002;padding:13px 24px;margin:0;z-index:30;font-size:14px;max-width:90%;width:max-content;text-align:center}.toast.show{animation:arrive .25s ease-out}@keyframes arrive{from{opacity:0;translate:0 8px}to{opacity:1;translate:0 0}}@media(min-width:1600px){.intro{padding-top:76px;padding-bottom:58px}}@media(max-width:1100px){.shell{width:calc(100% - 64px)}.gallery{gap:30px 24px}.filters{gap:20px}.filter{font-size:13px}.sample-title{font-size:15px;gap:8px}.sample-number{font-size:12px}.caption-bottom{align-items:flex-start;flex-direction:column;gap:0}.card-actions{width:100%;justify-content:space-between}.intro{gap:24px}h1{font-size:46px}.edition-nav{width:210px}}@media(max-width:760px){.shell{width:calc(100% - 40px)}.header{height:70px}.wordmark{font-size:12px;gap:8px;letter-spacing:.09em}.wordmark svg{width:24px;height:24px}.saved-nav{gap:6px;font-size:12px}.saved-nav .heart-icon{width:20px;height:20px}.intro{padding:26px 0 10px;display:block}.eyebrow{font-size:10px;letter-spacing:.17em;margin-bottom:16px}h1{font-size:32px;line-height:1.5;letter-spacing:.055em}.intro-note{font-size:13px;margin:15px 0 18px}.edition-nav{width:100%;display:flex;margin:0;gap:24px}.edition-nav a{flex:1;padding:13px 0;font-size:13px;gap:10px}.edition-nav a span{font-size:11px}.edition-nav a svg{width:15px;height:15px}.collection-toolbar{border-top:0;margin-bottom:15px;min-height:60px;gap:12px}.filters{gap:24px}.result-count{font-size:11px}.filter{font-size:13px}.gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 16px}.sample-caption{padding-top:12px}.sample-title{font-size:14px;gap:7px;display:block}.sample-number{display:block;font-size:11px;margin-bottom:3px}.sample-category{font-size:11px;margin-top:4px;line-height:1.7}.card-actions{gap:0}.text-button{font-size:12px}.sample-image-button{box-shadow:0 2px 7px #282c2514}.enlarge-hint{display:none}.footer{margin-top:50px;padding-top:25px;font-size:11px}.footer p{max-width:30em;margin:0 auto 15px}.selection-heading{align-items:flex-start;gap:10px}.selection-heading h2{font-size:25px}.selection-heading p:not(.eyebrow){font-size:12px}.selection-heading .text-button{font-size:12px}.empty{padding:30px 0 60px}.empty h2{font-size:23px}.empty p{font-size:13px}dialog{width:100%;height:100dvh;margin:0;border:0}.preview-bar{padding:14px 16px;align-items:flex-start;gap:10px}.preview-bar h2{font-size:18px;max-width:220px}.preview-bar .eyebrow{font-size:10px}.preview-actions{gap:3px}.save-detail{border:0;padding:0;width:44px}.save-detail span:not(.heart-icon){display:none}.preview-scroll{padding:18px 14px 24px}.preview-name{font-size:12px}.preview-bottom{padding:5px 16px}.preview-bottom .text-button{font-size:12px}}@media(max-width:360px){.shell{width:calc(100% - 28px)}.wordmark{font-size:10px;gap:5px}.saved-nav{font-size:11px}h1{font-size:30px}.gallery{gap:23px 12px}.sample-title{font-size:13px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
h1,h2{word-break:keep-all;overflow-wrap:anywhere}.filters{min-width:0}.sample-image-button{background:#fff}
/* Client presentation — white marble / original blue */
body{background:#f3f5f8;isolation:isolate}body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,rgba(255,255,255,.14),rgba(255,255,255,.4) 48%,rgba(255,255,255,.12)),url('./marble-white.png') center/cover no-repeat}.header{border-bottom-color:#bac7d64d}.intro{padding-top:44px;padding-bottom:38px}h1{font-size:46px;letter-spacing:.075em;line-height:1.5}h1 .client-label{font-family:'Noto Sans JP',sans-serif;font-size:15px;letter-spacing:.16em;color:#52657c;margin:0 0 13px;font-weight:400}.collection-toolbar{border-top-color:#b4c1cf;background:#ffffff66}.filter{color:#525e6c}.sample-image-button{box-shadow:0 4px 18px #263e5718;border-color:#dce3eb}.sample-caption{background:#ffffff85;padding:15px 10px 3px}.sample-category,.result-count{color:#687585}.footer{border-color:#c9d3dd;color:#637185;background:#ffffff66}.edition-nav a{color:#6b7178;border-color:#c6ccd3}.preview-name{color:#607286}.preview-bottom span{color:#687585}.selection-heading p:not(.eyebrow){color:#687585}.save-button:hover{background:#e8eff7}.icon-button:focus-visible,button:focus-visible,a:focus-visible{outline-color:#3a6ea5}@media(max-width:760px){.intro{padding-top:28px;padding-bottom:12px}h1{font-size:34px;letter-spacing:.05em}h1 .client-label{font-size:13px;margin-bottom:10px}.sample-caption{padding:12px 5px 1px}}
/* Readability refinement: faint stone, calm white reading surfaces. */
body::before{background:linear-gradient(rgba(255,255,255,.72),rgba(255,255,255,.72)),url('./marble-white.png') center/cover no-repeat}
.header{background:rgba(255,255,255,.48)}
.wordmark .brand-mark{width:74px;height:32px;object-fit:contain;flex-shrink:0}
.intro{margin:28px 0 24px;padding:30px 32px;background:rgba(255,255,255,.84);border:1px solid rgba(222,229,237,.7);box-shadow:0 6px 30px rgba(38,62,87,.025)}
.selection-guide{display:flex;align-items:center;gap:18px;background:rgba(255,255,255,.88);border:1px solid #dde5ee;padding:20px 24px;margin:0 0 24px}
.guide-heart{width:29px;height:29px;flex-shrink:0;color:#3a6ea5}
.guide-copy{flex:1;min-width:0}.guide-copy p{margin:0;font-size:14px;line-height:1.85;color:#425063}.guide-copy strong{font-weight:500;display:block;color:#283d56;font-size:15px;margin-bottom:2px}.guide-copy p span{display:block}.guide-copy small{display:block;font-size:12px;line-height:1.8;color:#737e8d;margin-top:6px}
.guide-link{font-size:13px;color:#315e8d;min-height:44px;padding:10px 4px;white-space:nowrap;border-bottom:1px solid #bccddd}.guide-link span{margin-left:12px}
.collection-toolbar{background:rgba(255,255,255,.85)}.sample-caption{background:rgba(255,255,255,.94)}.footer{background:rgba(255,255,255,.8)}.selection-heading{padding:22px;background:rgba(255,255,255,.9)}
@media(max-width:760px){.wordmark{gap:6px;font-size:11px;letter-spacing:.06em}.wordmark .brand-mark{width:43px;height:27px}.intro{margin:18px 0;padding:23px 18px 16px}.intro-note{font-size:13px;max-width:24em}.edition-nav{gap:16px}.edition-nav a{font-size:12px;gap:7px}.selection-guide{display:grid;grid-template-columns:24px minmax(0,1fr);gap:10px 12px;padding:18px 16px;margin-bottom:15px}.guide-heart{width:24px;height:24px;align-self:start;margin-top:3px}.guide-copy strong{font-size:14px}.guide-copy p{font-size:13px;line-height:1.9}.guide-copy small{font-size:11px}.guide-link{grid-column:2;justify-self:start;font-size:12px;min-height:44px}.selection-heading{padding:15px}.saved-nav{font-size:11px;gap:5px}h1{font-size:32px}}
@media(max-width:360px){.wordmark{font-size:10px}.wordmark .brand-mark{width:36px}.intro{padding-inline:15px}h1{font-size:29px}}
/* The production controls appear only after choosing saved candidates. */
.sample-production{background:rgba(255,255,255,.94);padding:8px 10px 15px}.production-button{display:flex;width:100%;justify-content:space-between;align-items:center;gap:8px;min-height:46px;padding:11px 13px;border:1px solid #bccddd;font-size:13px;color:#315e8d;line-height:1.7;word-break:keep-all;overflow-wrap:anywhere;text-align:left}.production-button:hover{background:#edf3f9}.sample-production p{margin:8px 0 0;color:#687585;font-size:11px;line-height:1.7}
.handoff-dialog{width:min(820px,calc(100% - 48px));height:auto;max-height:calc(100dvh - 48px);background:#fbfcfe;border-color:#d2dce6}.handoff-dialog::backdrop{background:#263447ab}.handoff-header{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:24px 28px;border-bottom:1px solid #dce4ed;flex-shrink:0}.handoff-header .eyebrow{font-size:11px;margin-bottom:9px;letter-spacing:.08em}.handoff-header h2{font-family:'Zen Old Mincho',serif;font-size:26px;font-weight:400;margin:0;line-height:1.6}.handoff-header .icon-button{flex-shrink:0}.handoff-body{overflow:auto;overscroll-behavior:contain;min-height:0;padding:24px 28px}.handoff-design{display:flex;gap:20px;align-items:center;margin-bottom:26px}.handoff-design>img{width:88px;height:170px;object-fit:contain;object-position:top;background:#fff;border:1px solid #dce4ed;flex-shrink:0}.handoff-design>div{min-width:0}.handoff-design h3{font-size:18px;font-weight:500;line-height:1.7;margin:8px 0}.handoff-design p:not(.sample-number){font-size:13px;color:#607286;line-height:1.9;max-width:35em}.handoff-body section>h3{font-size:16px;font-weight:500;margin:0 0 14px}.palette-default{display:flex;align-items:center;gap:30px;justify-content:space-between;width:100%;padding:14px 18px;min-height:48px;border:1px solid #c5d1df;background:#fff;text-align:left;font-size:14px}.palette-default span{visibility:hidden}.palette-default[aria-pressed=true]{border-color:#3a6ea5;background:#eff5fb}.palette-default[aria-pressed=true] span{visibility:visible}.chosen-tone{font-size:13px;color:#315e8d;margin:12px 0 20px;line-height:1.8}.handoff-body details{border-top:1px solid #dce4ed}.handoff-body summary{cursor:pointer;padding:18px 0;font-size:14px;line-height:1.8;min-height:48px}.handoff-body summary span{font-size:12px;color:#718092;margin-left:12px;display:inline-block}.tone-controls{display:grid;grid-template-columns:1fr 170px;gap:16px}.tone-controls label{font-size:12px;line-height:1.8;color:#586a7f;min-width:0}.tone-controls input,.tone-controls select{font:inherit;font-size:14px;color:#263e57;border:1px solid #bdccdb;background:#fff;padding:11px 12px;min-height:46px;width:100%;display:block;margin-top:5px;border-radius:0}.tone-controls input:focus-visible,.tone-controls select:focus-visible,summary:focus-visible{outline:2px solid #3a6ea5;outline-offset:3px}.tone-note,.tone-count{font-size:12px;line-height:1.8;color:#687585}.tone-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.tone-choice{min-width:0;position:relative;display:flex;flex-direction:column;text-align:left;background:#fff;border:1px solid #dce4ed;padding:10px;color:#283d56}.tone-choice:hover{border-color:#8daac8}.tone-choice[aria-pressed=true]{outline:2px solid #3a6ea5;outline-offset:-2px;background:#f0f6fc}.tone-swatches{display:flex;width:100%;height:44px;border:1px solid #0000000d}.tone-swatches span{flex:1}.tone-choice-name{font-size:13px;line-height:1.7;margin-top:9px;word-break:keep-all;overflow-wrap:anywhere}.tone-mood{font-size:10px;line-height:1.7;color:#687585;margin-top:4px}.tone-chosen{font-size:11px;margin-top:auto;padding-top:7px;visibility:hidden;color:#315e8d}.tone-choice[aria-pressed=true] .tone-chosen{visibility:visible}.handoff-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 28px;border-top:1px solid #dce4ed;flex-shrink:0;background:white}.handoff-footer p{font-size:11px;color:#687585;line-height:1.8;margin:0}.handoff-footer .solid-button{display:block;margin:0;text-align:center;font-size:13px;line-height:1.8;padding:13px 20px;word-break:keep-all;overflow-wrap:anywhere}.handoff-footer .solid-button:hover{background:#2d5886}
@media(max-width:760px){.sample-production{padding:7px 5px 12px}.production-button{font-size:11px;padding:10px 8px;gap:3px}.sample-production p{font-size:10px}.handoff-dialog{width:100%;max-height:100dvh;height:100dvh;margin:0}.handoff-header{padding:17px 18px;gap:8px}.handoff-header h2{font-size:22px}.handoff-body{padding:18px;flex:1}.handoff-design{gap:14px;margin-bottom:22px;align-items:flex-start}.handoff-design>img{width:64px;height:132px}.handoff-design h3{font-size:16px}.handoff-design p:not(.sample-number){font-size:12px}.tone-controls{grid-template-columns:minmax(0,1fr);gap:10px}.tone-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.tone-choice{padding:9px}.tone-choice-name{font-size:12px}.handoff-footer{padding:12px 18px 18px;gap:8px;display:block}.handoff-footer p{margin-bottom:8px;text-align:center}.handoff-footer .solid-button{width:100%;font-size:14px}.handoff-body summary span{margin-left:6px;font-size:11px}}
/* Common usage notice: existing Tone Composer conditions. */
.usage-notice{margin:36px 0 0;border:1px solid #dde5ee;background:rgba(255,255,255,.9);color:#394651}.usage-notice summary{padding:18px 22px;min-height:56px;font-size:14px;cursor:pointer;font-weight:500}.usage-notice summary:focus-visible{outline:2px solid #3a6ea5;outline-offset:3px}.usage-notice-body{padding:0 22px 20px;font-size:13px;line-height:1.95}.usage-notice-body p{margin:0 0 10px}.usage-notice-body p:last-child{margin-bottom:0}@media(max-width:760px){.usage-notice{margin-top:26px}.usage-notice summary{padding:16px}.usage-notice-body{padding:0 16px 18px}}
.usage-label{display:inline-block;margin-left:16px;font-size:12px;font-weight:400;color:#536575}@media(max-width:760px){.usage-label{display:block;margin:6px 0 0}}