/* Product select page — no JavaScript or external libraries needed. */
:root {color-scheme:light;--navy:#10263b;--teal:#00697b;--muted:#556474;--outline:rgba(30,55,75,.1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic","Meiryo",sans-serif;color:var(--navy);background:#e9eef2}a{color:inherit}img,svg{display:block;max-width:100%}
.page-shell{isolation:isolate;position:relative;width:min(1500px,calc(100% - 64px));min-height:calc(100svh - 48px);margin:24px auto;overflow:hidden;border-radius:28px;background:#f7f9fb;box-shadow:0 26px 68px rgba(31,51,69,.19)}
.page-shell::before{content:"";position:absolute;inset:0;background:#f9fbfc url("./assets/background-desktop.webp") center center/cover no-repeat;z-index:-2}
.page-shell::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.13),rgba(255,255,255,.35) 64%,rgba(245,250,252,.12));z-index:-1;pointer-events:none}
.header{min-height:88px;padding:18px clamp(24px,3.5vw,52px);display:flex;align-items:center;justify-content:space-between;gap:20px;background:rgba(255,255,255,.89);box-shadow:0 5px 21px rgba(17,40,58,.07);border-bottom:1px solid rgba(255,255,255,.75)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;white-space:nowrap}.brand-mark{width:40px;height:40px;flex:none;color:#103a56}.brand-name{font-size:clamp(18px,1.7vw,27px);font-weight:800;letter-spacing:-.045em;color:#103251}.brand-sub{border-left:1px solid #d1d9dd;margin-left:9px;padding-left:20px;font-size:13px;font-weight:600;color:#596678;letter-spacing:.03em}
.progress ol{padding:0;margin:0;display:flex;align-items:center;gap:clamp(8px,1.2vw,22px);list-style:none}.progress li:not(.step-arrow){display:flex;align-items:center;gap:9px;font-weight:700;white-space:nowrap;font-size:14px;color:#566272}.progress li.active{color:#122f43}.step-number{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;border:1.5px solid #abb7bf;background:#fff;font-size:18px}.active .step-number{color:#fff;background:linear-gradient(140deg,#178da0,#005268);border-color:transparent;box-shadow:0 4px 12px rgba(0,98,117,.24)}.step-arrow{font-size:24px;color:#a0acb6;font-weight:300}
.main{max-width:1200px;margin:auto;padding:clamp(36px,5vw,66px) clamp(22px,3.7vw,50px) 56px}.intro{text-align:center}.eyebrow{font-size:11px;font-weight:800;color:#478d9c;letter-spacing:.25em;margin:0 0 13px}.intro h1{margin:0;font-size:clamp(28px,3.45vw,51px);font-weight:800;line-height:1.35;letter-spacing:.04em}.title-accent{display:block;margin:9px auto 15px;width:145px;height:5px;border-radius:10px;background:linear-gradient(90deg,transparent,#8bced5 42%,#c9eef0 80%,transparent);transform:rotate(-1deg)}.description{font-size:clamp(14px,1.2vw,18px);color:#475365;line-height:1.85;margin:0}
.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(18px,3.3vw,45px);margin-top:38px}.product-card{position:relative;display:flex;flex-direction:column;align-items:center;min-width:0;padding:18px 28px 28px;border:1px solid rgba(255,255,255,.95);border-radius:27px;background:rgba(255,255,255,.84);box-shadow:0 13px 32px rgba(27,48,69,.12),0 1px 3px rgba(20,50,70,.05);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease}
.product-card:hover{transform:translateY(-5px);box-shadow:0 22px 42px rgba(27,48,69,.17)}
/* The slanted pale-blue background is responsive CSS, not a baked-in image. */
.product-card::before{content:"";position:absolute;z-index:0;left:-17%;right:-18%;top:29%;height:42%;background:linear-gradient(115deg,rgba(211,242,245,.11) 2%,rgba(195,234,239,.8) 46%,rgba(218,245,247,.45) 100%);transform:rotate(-16deg);border-radius:55% 12% 48% 16%;filter:blur(1px);pointer-events:none}
.product-art{position:relative;isolation:isolate;width:100%;height:clamp(205px,21vw,320px);display:flex;align-items:center;justify-content:center}.brush-stroke{position:absolute;z-index:-1;width:82%;height:27%;left:8%;top:47%;transform:rotate(-15deg);border-radius:80% 25% 85% 35%;background:linear-gradient(90deg,rgba(179,224,230,0),rgba(177,228,234,.48) 25%,rgba(191,236,240,.44) 72%,rgba(179,224,230,0))}.product-image{position:relative;z-index:1;object-fit:contain;filter:drop-shadow(0 12px 13px rgba(58,75,83,.12))}.product-image.shirt{height:108%;width:100%}.product-image.bag{height:114%;width:100%}
.sparkles{position:absolute;right:11%;top:8%;width:48px;height:44px;z-index:2}.sparkles i{position:absolute;display:block;background:#21869a;border-radius:8px;width:3px;height:17px}.sparkles i:nth-child(1){left:4px;top:8px;transform:rotate(22deg)}.sparkles i:nth-child(2){left:24px;top:15px;transform:rotate(66deg)}.sparkles i:nth-child(3){left:23px;top:-3px;transform:rotate(47deg)}
.product-info{position:relative;z-index:1;text-align:center;padding-top:4px}.product-info h2{font-size:clamp(28px,2.7vw,41px);line-height:1.3;margin:0;font-weight:800}.product-info p{font-size:clamp(14px,1.2vw,17px);color:#596575;margin:9px 0 24px;line-height:1.7}.design-button{position:relative;z-index:1;width:min(100%,370px);min-height:60px;display:flex;justify-content:center;align-items:center;gap:24px;padding:12px 20px;text-decoration:none;color:white;font-size:clamp(15px,1.4vw,19px);font-weight:800;border-radius:100px;border:1px solid rgba(255,255,255,.19);background:linear-gradient(180deg,#218c9e 0%,#006477 44%,#00495c 100%);box-shadow:inset 0 2px 1px rgba(255,255,255,.28),0 6px 12px rgba(0,74,92,.16);transition:transform .22s ease,box-shadow .22s ease,filter .22s ease}.design-button::before{content:"";position:absolute;inset:2px 6px auto;height:22px;border-radius:100px;background:linear-gradient(rgba(255,255,255,.13),transparent);pointer-events:none}.design-button svg{width:27px;height:27px;flex:none}.design-button:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:inset 0 2px 1px rgba(255,255,255,.3),0 11px 18px rgba(0,74,92,.2)}.design-button:active{transform:translateY(0)}.design-button:focus-visible,.brand:focus-visible{outline:3px solid #1688af;outline-offset:4px}
@media(max-width:1100px){.brand-sub{display:none}.header{padding-inline:24px}.progress li:not(.step-arrow){font-size:12px}.progress ol{gap:8px}.step-number{width:31px;height:31px;font-size:15px}}
@media(max-width:760px){.page-shell{width:min(100% - 24px,600px);margin:12px auto;min-height:calc(100svh - 24px);border-radius:21px}.page-shell::before{background-image:url("./assets/background-mobile.webp");background-size:cover;background-position:center top}.header{flex-direction:column;justify-content:center;gap:14px;padding:18px 16px 16px}.brand-sub{display:none}.progress{max-width:100%;overflow:hidden}.progress ol{gap:10px}.progress li:not(.step-arrow){font-size:12px;gap:5px}.step-number{width:30px;height:30px}.step-arrow{font-size:17px}.main{padding:34px 18px 38px}.intro h1{font-size:clamp(24px,6vw,35px)}.desktop-break{display:none}.description{font-size:14px}.product-grid{grid-template-columns:1fr;max-width:490px;gap:20px;margin:28px auto 0}.product-card{padding:15px 20px 24px}.product-art{height:clamp(205px,52vw,280px)}.product-info h2{font-size:30px}.product-info p{margin:8px 0 18px}.design-button{width:min(100%,360px);min-height:57px}}
@media(max-width:390px){.page-shell{width:100%;margin:0;border-radius:0}.header{padding:15px 12px}.brand-name{font-size:19px}.brand-mark{width:34px}.progress ol{gap:7px}.progress li:not(.step-arrow){font-size:11px}.step-number{width:26px;height:26px;font-size:13px}.main{padding-inline:14px}.product-art{height:210px}.product-card{padding-inline:14px}.design-button{font-size:15px;gap:12px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}