.fv-btn-container{--c-bg-base:#1A1B41;--c-frame-gray:#6E7080;--c-frame-black:#000000;--c-text:#FFFFFF;--c-tri-1:#00CFFF;--c-tri-2:#FF3399;--font-ja:'Noto Sans JP', sans-serif;--font-en:'Kanit', sans-serif;display:flex;gap:12px;font-family:var(--font-ja);margin-top:auto;position:relative;z-index:10}.fv-btn{position:relative;display:flex;width:320px;padding:6px;text-decoration:none;color:#FFF;background:transparent;border:none;transition:transform 0.3s ease,filter 0.3s ease;filter:drop-shadow(0 10px 20px rgba(0,0,0,.5));text-align:center}.fv-btn::before{content:'';position:absolute;inset:0;border:4px solid var(--c-frame-gray);border-radius:8px;z-index:1;pointer-events:none}.fv-btn::after{content:'';position:absolute;inset:0;border:4px solid var(--c-frame-black);border-radius:8px;z-index:2;pointer-events:none;-webkit-mask:linear-gradient(#fff,#fff) top left / 30px 30px no-repeat,linear-gradient(#fff,#fff) top right / 30px 30px no-repeat,linear-gradient(#fff,#fff) bottom left / 30px 30px no-repeat,linear-gradient(#fff,#fff) bottom right / 30px 30px no-repeat;mask:linear-gradient(#fff,#fff) top left / 30px 30px no-repeat,linear-gradient(#fff,#fff) top right / 30px 30px no-repeat,linear-gradient(#fff,#fff) bottom left / 30px 30px no-repeat,linear-gradient(#fff,#fff) bottom right / 30px 30px no-repeat}.fv-btn-content{flex-grow:1;display:flex;flex-direction:column;justify-content:center;background-color:#1A1B41cc;padding:12px 4px;border-radius:4px;position:relative;z-index:3;transition:all 0.3s ease;box-shadow:inset 0 0 20px rgba(0,0,0,.2)}.fv-btn-content::after{content:'';position:absolute;bottom:0;right:0;width:32px;height:32px;background-color:var(--c-tri-1);clip-path:polygon(100% 0,0 100%,100% 100%);border-bottom-right-radius:4px;z-index:4;transition:transform 0.3s}.fv-btn:nth-child(1) .fv-btn-content::after{background-color:var(--c-tri-1)}.fv-btn:nth-child(2) .fv-btn-content::after{background-color:var(--c-tri-2)}.fv-btn:hover{transform:scale(1.05)}.fv-btn:nth-child(1):hover{filter:drop-shadow(0 0 25px rgba(0,207,255,.6))}.fv-btn:nth-child(2):hover{filter:drop-shadow(0 0 25px rgba(255,51,153,.6))}.fv-btn:hover .fv-btn-content{background-color:#FFFc;color:#1A1B41;box-shadow:none}.fv-btn:hover .fv-btn-content::after{transform:scale(1.2) translate(2px,2px)}.fv-main-text{font-family:var(--font-en);font-size:3rem;font-weight:600;font-style:italic;line-height:1;display:block;letter-spacing:.02em;text-transform:uppercase}.fv-sub-text{font-size:1rem;font-weight:500;margin-top:8px;display:block;opacity:.9}@media (max-width:1200px){.fv-btn-container{gap:12px}.fv-btn{width:280px}.fv-btn-content{padding:8px 8px}.fv-main-text{font-size:2rem}.fv-sub-text{font-size:.85rem}}@media (max-width:768px){.fv-btn-container{flex-direction:column;gap:12px}.fv-btn{width:280px}.fv-btn-content{padding:8px 8px}.fv-main-text{font-size:2rem}.fv-sub-text{font-size:.85rem}}